Capric Acid
AKA “Decanoic acid, n-Decanoic acid, n-Capric acid, Decoic acid, Decylic acid, Caprinic acid, n-Decylic acid, 1-Nonanecarboxylic acid”
Fatty Acid
Ingredient Facts
Capric acid
AKA: Decanoic acid, N-Decanoic acid, N-Capric acid, Decoic acid, Decylic acid, Caprinic acid, N-Decylic acid, 1-Nonanecarboxylic acid
Fatty Acid · Cleansing · EWG: 1
Plant-Derived Synthetic
Cleanser
Fragrance
Emulsifier
Plant Oil
Fatty Acid
Clean
A gentle cleansing agent derived from natural oils that helps remove dirt and impurities while contributing light fragrance notes to the formula.
Solubility less than 1 mg/mL at 64 °F (NTP, 1992)
Formula
C10H20O2
Mol. Weight
172.26
CAS #
334-48-5
Form
Liquid
See origin →
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Perfuming
Added for scent. Can be natural or synthetic. Common irritant and allergen — one of the top reasons people react to products.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Surfactant Cleansing
Antioxidant
Protects skin from free radical damage caused by UV, pollution, and stress
Traditional Use
A medium-chain saturated fatty acid found naturally in coconut oil and palm oil, used traditionally in soap-making for centuries. Isolated and used in modern cosmetics as a cleansing and conditioning agent.
Skin Types
●all-skin-types, gentle
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
10-Hydroxydecanoic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Capric Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Hydroxycapric Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Undecanoic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
10-Hydroxydecanoic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Capric Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Hydroxycapric Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Combating Lead/HFD Neurotoxicity in Rats: The Synergistic Effect of 10-Hydroxydecanoic Acid and Zinc Oxide Nanoparticles.
Saleh SR, Atef E, Maher AM, Ghareeb DA, Sheta E et al.
Biological trace element research, 2026
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR